Perhaps you should try some spelling variations:
thanh dai » thanh hai, thanh tai, thanh dat
ban thanh » ban hanh, ban hang
thong xu » thong tu, thong su, trong xu
toc sach » hoc sach, doc sach, thuoc sach
chang xu » chang xue, chao xu, chang ha
cuc ban » cua ban, cac ban, cuu ban
cam cuc » cam xuc, cham cuu, pham cuc
qua cam » qua cham, qua cac, qua ca
cua te » cua tu

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ((te sach) OR (toc sach)) ty ((chang xu) OR (thong xu)) hoi. hieu qua cam cuc ban thanh dai cua te~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((te sach) OR (toc sach)) ty ((chang xu) or (thong xu)) hoi. hieu qua cam cuc ban thanh dai cua te~".
• Adding a wildcard symbol may retrieve word variants: ((te sach) OR (toc sach)) ty ((chang xu) or (thong xu)) hoi. hieu qua cam cuc ban thanh dai cua te*.